Wilhelm Bush (1832 - 1908) - famous german poet and drawer. source:
go vegetarin magazine; common knowledge. he said: "true human culture
exists only when not just eating men but any form of consuming meat
is considered as cannibalism."

My Path Through Life(PDF 26mb) autobiography of the Wagnerian opera soprano, 1914. pp.400-1: 'I owe the complete cessation of my agitation before my public appearances and in
other affairs of life to ... vegetarianism'.

Hugo Wolf(PDF 36mb) by Ernest Newman, pub. London, 1907 p.23: 'So hard pressed was he indeed
that for a while he took to vegetarianism as the cheapest
way of living.' [it probably has as much to do with Wagner as poverty for both Mahler and Wolf]